body div section aside header{
    padding: 0px;
    margin: 0px;
}
header{
    position: fixed;
    top: 0px;
    left: 0px;
    width:100%;
    height: 8%;
    background-color: #fefefe;
    float: left;
    border: none;
    border-bottom:#7c7c7c  solid 1px;
}
header img{
    position: absolute;
    top: 25%;
    width: 1.8em;
    height: 1.8em;
}
#creatfilelist{
    position: fixed;
    display: none;
    width: 10em;
    height: 20em;
    z-index: 1090;
    left: 2.8%;
    top: 22.2%;
}
#creatfilelist ul{
    text-align: center;
    list-style: none;
    width: 100%;
    padding: 0px;
    margin:0;
    background-color: white;
}
#creatfilelist ul li {
    border-bottom: 2px solid gray;
    padding: 0.8em;
}
#creatfilelist ul li:hover{
    opacity: 0.6;
}
#creatfilelist ul li img {
    transform: translate(0,30%);
    margin-right: 1em;
    width: 2em;
    height:2em;
}

#header_logo{
    left: 2%;
}
#header_search{
    position: absolute;
    width: 15%;
    top: 33%;
    right:20%;
    height: 100%;
}
#header_search input{
    width: 100%;
    height: 50%;
    margin-top: 25%;
    margin: auto;
}
#header_search img{
    top: 0%;
    transform: scale(0.6);
}
#header_notify{
    top: 38%;
    right:16%;
}
#header_user{
    position: absolute;
    width: 10%;
    top: 19%;
    right:5%;
}
#header_user p{
    position: relative;
    top: 5%;
    left: 27%;
}
aside{
    color:#7c7c7c ;
    position: fixed;
    top: 8%;
    left: 0px;
    width: 15%;
    height: 92%;
    background: #202024;
}
aside button{
    color: #f1f1f1;
    font-size: 1.2em;
    border: none;
    width: 64%;
    padding: 3%;
    margin-left: 18%;
    margin-top: 30%;
    margin-bottom: 28%;
    border-radius: 1%;
    background-color: #626262;
}
aside ul {
    list-style: none;
    padding: 0px;
    margin-left: -10px;
}
aside ul li{
    font-size: 1.18em;
    margin: 0px;
    padding: 0px;
    text-align: center;
    vertical-align: middle;
    position: relative;
    left: 0px;
    width: 100%;
    height: 2.5em;
}
aside ul li img{
    position: relative;
    top: 8%;
    width: auto;
    height:44%;
    margin-right: 6%;
    filter: contrast(0%);
}
#file_title{
    display: inline-block;
}
#file_title ul li{
    list-style: none;
    float: left;
    margin-right: 3em;
}

section{
    position: absolute;
    top: 8%;
    right: 0px;
    width: 85%;
    height:92%;
}
#file_list{
    margin: auto;
    width: auto;
    height: auto;
}
#file_title{
    font-size: 1.7em;;
    margin: 2.3em;
    margin-left: 2.1em;
    margin-bottom: 1em;
}
.file_card{
    width:16em;
    height:10em;
    float: left;
    background-color: #202024;
    margin: 3.2em;
    margin-bottom: 3em;
    margin-top: 3em;
    box-shadow: gray 4px 4px 12px;

}
.file_card a{
    position: relative;
    top: 10em;
    font-size: 1.1em;
}